Assume the standard deviation of the heights of all five-year-old boys is 3.5 inches. How many five-year-old boys need to be sampled if we want to be 80% sure that the population mean height is estimated correctly to within 0.5 inches? OOOO 325 189 133 81 102
Assume the standard deviation of the heights of all five-year-old boys is 3.5 inches. How many five-year-old boys need to be sampled if we want to be 80% sure that the population mean height is estimated correctly to within 0.5 inches? OOOO 325 189 133 81 102
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 12PPS
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Question
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***
Assume the standard deviation of the heights of all five-year-old boys is 3.5 inches. How many
five-year-old boys need to be sampled if we want to be 80% sure that the population mean
height is estimated correctly to within 0.5 inches?
325
O 189
4
133
81
102
3
$
%
5
♫
MAⒸ
<
6
&
7
W
# 00
P
8
एक
s
B
- 1
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Transcribed Image Text:3
***
Assume the standard deviation of the heights of all five-year-old boys is 3.5 inches. How many
five-year-old boys need to be sampled if we want to be 80% sure that the population mean
height is estimated correctly to within 0.5 inches?
325
O 189
4
133
81
102
3
$
%
5
♫
MAⒸ
<
6
&
7
W
# 00
P
8
एक
s
B
- 1
cricut
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